The stone used on the indoor floor is generally a polished plate with a thickness of about 20 mm. There are also thin plates with a thickness of about 10 mm, suitable for home decoration. The size of each piece ranges from 300 mm × 300 mm to 500 mm × 500 mm. Can use thin board and 1:2 cement mortar mixed with 107 glue for paving. Stone floor refers to natural granite, marble, artificial granite, marble and other floors. 1. Stone floor decoration structure The stone used on the indoor floor is generally polished board with a thickness of about 20 mm. There are also thin boards with a thickness of about 10 mm, suitable for home decoration. The size of each piece ranges from 300 mm × 300 mm to 500 mm × 500 mm. Can use thin board and 1:2 cement mortar mixed with 107 glue for paving. Second, the basic process flow of stone floor decoration Cleaning and finishing the base level floor→leveling with cement mortar→setting the elevation and elastic line→selecting material→soaking the board with water→installing standard blocks→paving cement mortar→paving stone→grouting→cleaning→maintenance. Three, construction points The treatment of the base layer should be clean, and the unevenness should be flattened and repaired first. The base layer should be clean and free of mortar, especially white mortar ash, oil stains, etc., and moisten the ground with water. When paving stone and porcelain tiles, standard blocks must be placed. The standard blocks should be placed at the intersection of the cross lines and installed diagonally. When paving operation, each line should be hung in sequence. The stone must be soaked in water and dried in the shade and wipe the backside. The maintenance of the stone and porcelain tile floor after paving is very important. It must be sprinkled with water 24 hours after installation, and covered with sawdust after paving. Four, matters needing attention (1) Before paving, try to assemble the boards, match the flowers, colors, and numbers, so that the patterns on the ground are the same. (2) The stone must be soaked in water and dried in the shade. So as not to affect its hardening, hollowing, shelling and other problems. (3) After the paving is completed, no one will be allowed for 3 days.  

石材拼花，其实可以看做是马赛克工艺的一种发展和延伸，是马赛克工艺和新的加工工艺和技术相结合的而衍生出的新的石材产品。像早期的石材拼花，主要是石材板材类产品的拼组，这可以看成是放大版的石材马赛克，而后期由于水刀技术的应用和加工精度的提升，石材拼花把马赛克的镶嵌工艺发挥到了极至，形成了自己独特的风格。不过在国外石材拼花还是属于石材马赛克的范畴的。  

The industrial technical requirements for granite have different focuses due to different uses.   1. The main requirements for natural granite blocks:   The main requirements of the building materials industry standard (JC-204-92) for natural granite blocks are as follows:   The blocks must have the shape of a right-angled parallelepiped. The large surface of the block should be parallel to the joint surface or pattern direction of the rock.   The size of the block requires a length greater than or equal to 140cm, a width greater than or equal to 60cm, and a height greater than or equal to 60cm.   Appearance quality requires that the hue, pattern and grain structure of the same batch of blocks should be basically the same. The quality requirements for the missing corners, missing edges, cracks, color lines and stains of the blocks shall meet the requirements of Table 4.24.6.   Physical performance requirements: density not less than 2.50g/cm3; water absorption not more than 1.0%; dry compressive strength not less than 60.0MPa; bending strength not less than 8.0MPa.   2. Quality requirements for acid and alkali-resistant granite: (1) Quality requirements for acid-resistant granite Main chemical composition requirements: SiO2>70%～75%, the higher the content, the better the acid resistance; Al2O3>13%～15%; Fe2O3<0.5%; CaO<0.8%; MgO<0.4 %; Acid resistance is greater than 97.5%. hard. The thermal resistance (compressive strength after 10-40 thermal changes) is greater than 16.2MPa, the melting point is 1610°C, the expansion coefficient is less than 8×10-3, and the water absorption is less than 1.5%.   (2) The quality requirements of alkali-resistant granite require high CaO and MgO content. The higher the content, the better the alkali resistance. Some acid-resistant stones have high SiO2 content, but have low porosity and can also be used as alkali-resistant stones. The chemical composition of the alkali-resistant granite products produced by Qingdao Liushi General Factory is as follows: SiO276.6%, Al2O314.39%, (K2O+Na2O)9.07%, Fe2O31.14%, CaO1.34%, MgO0.68%.